• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    TWO-STAGE HARVESTING SYSTEM ASTRACT OF TEE DISCLOSURE A two-stage harvesting system including a first stage harvesting apparatus and a second stage harvesting apparatus. The first stage harvesting apparatus takes afrst crop portion from an agricultural crop leaving a second crop portion in a fledW The second stage harvesting apparatus takes the second crop portion. The first stage haresting apparatus and the second stage harvesting apparatus are connected together. P21293-US NV, 16 iC 'c ti zt 34i K S KI I Ii I I E I iI XI 1:' Ii] t IS 11 II I I 12:
    公开号:AU2013219222A1
    申请号:U2013219222
    申请日:2013-08-23
    公开日:2014-03-20
    发明作者:Jeremy M. Erdmann；Timothy J. Kraus
    申请人:Deere and Co；
    IPC主号:A01D91-02
    专利说明:
    TWO-STAGE HARVESTING SYSTEM FIELD OF THE INVENTION The present invention relates to an agricuhurali harvesting system, and, more particularly, to a harvesting system that harvests two separate aspects of an agricultural crop. BACKGROUND OF THE INVENTION The terms "hay" and "forage" refer tothe leaves and stems of plants that is fed to animals. The plants may be herbaceous, legens or grasses that are harvested and processed for immediate feeding or stored for feeding during the time that the plants are not producing biomass. The processing of the plants into hay typically involve the processes of cutting the crop, perhaps conditioning the crop by distressing particularly the stems to promote drying, windrowing, baling, and the gathering and transporting of the crop to a storage/feeding facility. From US Patent No. 4,1813471, it can he understood thatit is often desirable to separate the leaves from the stems of fibrous plants such as alf alfa, The value of separating the leavesis that the leaves are, relatively speaking. very high in protein while the stems are essentially a bulk material with lesser protein and nutrient value. By separating these components of the plant, then the plant components can be optimally stored and processed. When i is time for feeding the animals the components that will most efficiently provide the nutrients to a parficular class of 3 livestock can be mixed from the components to meet the needs of the animals. For example, for milk cows a higher mix of leaves may be supplied for more concentrated protein to optimize milk production, while juvenile cattle may get a higher bulk feed containing relatively more stem material. P21293KUS In order to separate the stems from. the leaves the above noted patent utilized a separating technique that was applied to hay which contained the mixture of stems and leaves. Newer techniques include an in-line alfalfa leaf stripper that is a self-propeled device that cuts and strips the leaves from the stems as an integrated unit. ie leaves are then blown into a separate container and the stems are placed on the ground for later baling. Problems with such an integrated system include that the system itself is complicated, expensive and is plagued with crop flow issues. In US patent application 2005/0126150, a crop stripping apparatus is disclosed and the method includes the stripping of leaves in a first pass and the later handling of the remaining stems with a forage harvester in a second pass, which may take place even the same day. What is needed in the art is a simple, cost-effective and eflcient way of separafig the leaves from the stems in the field in a single pass. SUMMARY The present invention provides for a two-stage harvesting system for crops. The invention in one form is directed to a two-stage harvesting system including a first stage harvesting apparatus and a second stage harvesting apparatus. The first stage harvesting apparatus takes a first crop portion from an agricultural crop leaving a second crop portion in a field. The second stage harvesting apparatus takes the second crop portion. The first stage harvestingaparatus and the second stage harvesting apparatus are connected together. The invention in another form is directed to a two-stage harvesting system including an agricultural power unit, a first stage harvesting apparatus and a second stage harvesting P21293-US 2 apparatus. The first stage harvesting apparatus taking a first crop portion from an agricultural crop leaving a second crop portion in a field. The first stage harvesting apparatus being powered by the agricultural power unit. The second stage harvesting apparatus taking the second crop portion from the field,. The first stage harvesting apparatus and the second stage harvesting apparatus being detachably connected to the agricultural power unit. BRIEF DESCRIPTION OF THE DRAWINGS The above-mentioned and other features and advantages of this invention, and the manner of attaining them, will become more apparent and the invention will be better understood by reference to the following description of an embodiment of the invention taken in conjunction with the accompanying drawings. wherein: Fig. I is a schematical top view of an embodiment of a two stage harvesting system of the present invention; and Fig 2 is a schematical perspective view of an embodiment of a leaf stripping harvested used in the two stage harvesting system of Fig. I. Corresponding reference characters indicate corresponding parts throughout the several views. The exemplification set out herein illustrates one embodiment of the invention, in one form, and such exemplification is not to be construed as limiting the scope of the invention in any manner. a DETAILED DESCRWQTION Referring now to the drawings, and more pardiclarly to Figs, 1 and 2, there is illustrated a two-stage harvesting system 10 including an agricuural power unit 12, a first stage harvesting P21293-US 3 apparatus 14, a second stage harvesting apparatus 16 and a towed container 18, Agricultural power unit 12 is illustrated here as a tractor having a front mounted second stage harvesting apparatus 16 attached thereto. First stage harvesting apparatus 14 is a leaf stripping apparatus and includes a power take off connection 20. a hitch 22, tines 24 a blower 26 and a chute 28. First stage harvesting apparatus 14 is shown here as being towed by agricultural power unit 12 by way of hitch 22 connected to agricultural power unit 1 2 . Power is transferred from agricultural power unit 12 to first stage harvesting apparatus 14 by way of power take off connection 20 First stage harvesting apparatus 14 is similar to a flail chopper used to chop and blow a crop into a container. However, first stage harvesting apparatus 14 has tines 24 that are positioned where the flail would be in a chopper, Tines 24 serve to strip the eaves off of standing crop 30 leaving leaf stripped standing crop 32 in first swath 36 as two-stage harvesting system 10 proceeds in a forward direction. As two-stage harvesting system I) goes through a field 40, only a portion of which is shown in Fig. 1, first swath 36 is formed as first stage harvesting apparatus 14 strips the leaves from standing crop 30 leaving leaf stripped standing crop 32, As two-stage harvesting system 10 goes in a clockwise pattern first swath 36 becomes second swath 38 and second stage harvesting apparatus 14 encounters leaf stripped standing crop 32 Second stage harvesting apparatus 14 cuts leaf stripped standing crop 32 and places the stem material in a windrow 34. The processing 0 of standing crop 30 by first stage harvesting apparatus 14 in first swath 36 does cause the stems to be scored and at least quasi-conditioned by the rotation of inmes 24 to thereby allow a more rapid dehydration of the stems, When the leaf stripped standing crop 32 is cut by second stage P21293-US 4 harvesting apparatus 14 and placed into windrow 34 the stems may be harvested (typically as silage) after drying for only a few hours. It is also contemplated to have a further condifioner in second stage harvesting apparatus 14 to further crush the stems if such an action is necessary. Advantageously, the configuration of two-stage harvesting system 10 allows for very little driving compression of the crop material before it is processed, perhaps only one wheel on flrst stage harvesting apparatus 14 may run over leaf stripped standing crop 32. Also, leaf stripped standing crop 32 is adjacent to second swath 38 allowing first stage have sting apparatus 14 and second stage harvesting apparatus 14 to operate in nearly parallel operations. Ahhough second stage harvesting apparatus 14 is illustrated as being displaced in a forward direction from first stage harvesting apparatus 14, and thus first stage harvesting apparatus 14 is behind second stage harvesting apparatus 14 in the forward moving direction, first stage harvesting apparatus 14 is a swath ahead of second stage harvesting apparatus 14 as the process proceeds in field 40. Chute 28 of first stage harvesting apparatus 14 is moveable to thereby direct the leaves stripped from standing crop 30 to container 18, which is illustrated as a towed wagon. Container 18 may be a separate vehicle operating adjacent t to first stage harvesting apparatus 14. Container 18 is configured to straddle windrow 34 to preclude damage to the stems window 34. To open a field, the two-stage harvesting system 10 may first be operated in an opposite direction with just first stage harvesting apparatus 14 operating and then the direction reversed so that second stage haresting apparatus 14 then encounters second swath 38 as first stage harvesting apparatus 14 is making first swath 36. First swath 36 is referred to as being first because it is created by the first encounter of standing crop 30 by two-stage harvesting system 10. P21 2934S H:AKWInterwovenNRPortblDCCAKW5399136_I.DOC-16/08/2013 Advantageously, first stage harvesting apparatus 14 and second stage harvesting apparatus 14 are easily attachable/detachable from agricultural power unit 12 to thereby reduce the number of power units needed around a farm. Another advantage is that both first stage harvesting apparatus 14 and second stage harvesting apparatus 14 operate 5 virtually independent of each other relative to the crop flows to thereby have two separate crop flows which preclude the dual flow problems of the prior art. The configuration of Applicants' invention allows more room for both the cutting and the stripping mechanism to perform their separate functions. The single pass, two-swath approach having different operations occurring in the adjacent swaths allows for superior control of the functioning 10 of each of the elements powered by agricultural power unit 12. While this invention has been described with respect to at least one embodiment, the present invention can be further modified within the spirit and scope of this disclosure. This application is therefore intended to cover any variations, uses, or adaptations of the invention using its general principles. Further, this application is intended to cover such 15 departures from the present disclosure as come within known or customary practice in the art to which this invention pertains and which fall within the limits of the appended claims. Throughout this specification and the claims which follow, unless the context requires otherwise, the word "comprise", and variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated integer or step or group 20 of integers or steps but not the exclusion of any other integer or step or group of integers or steps. The reference in this specification to any prior publication (or information derived from it), or to any matter which is known, is not, and should not be taken as, an acknowledgement or admission or any form of suggestion that that prior publication (or 25 information derived from it) or known matter forms part of the common general knowledge in the field of endeavour to which this specification relates. 6
    权利要求:
    Claims (20)
    [1] 1. A two-stage harvesting system, comprising: a first stage harvesting apparatus taking a first crop portion from an agricultural crop leaving a second crop portion in a field; and a second stage harvesting apparatus taking said second crop portion. said first stage harvesting apparatus and said second stage harvesting apparatus being connected.
    [2] 2. The two-stage harvesting system of claim 1, wherein said first crop portion is generally leaves of the agricultural crop, said second crop portion being generally stems of the agricultural crop.
    [3] I The two-stage harvesting system of claim 2, wherein the two-stage harvesting system operates in a moving direction, said first stage harvesting apparatus being adjacent to said second stage harvesting apparatus relative to said moving direction.
    [4] 4, The two-stage harvesting system of claim 2, wherein said first stage harvesting apparatus is operating in a first swath and said second stage harvesting apparatus operates in a second swath, the first swath and the second swath being adjacent.
    [5] 5 The two-stage harvesting system of claim 4, wherein the two-stage harvesting system O operates in a moving direction, said first stage harvesting apparatus being behind said second stage harvesting apparatus relative to said moving direction. P21293-US 7
    [6] 6. The two-stage harvesting system of claim 5, firther comprising one of an adjacent vehicle and a towed container wherein said first crop portion is directed thereto from said first stage harvesting apparatus.
    [7] 7. The two-stage harvesting system of claim 6, wherein said towed container is towed in the second swath.
    [8] 8. The two-stage harvesting system of claim 1, wherein said second stage harvesting system removes said second crop portion in a cutting manner and places said second crop portion in a windrow,
    [9] 9. The two-stage harvesting system of claim 8, wherein said first crop portion is removed from said second crop portion in a non-cutting manner.
    [10] 10. The two-stage harvesting system of claim 9, wherein said first stage harvesting apparatus is adjacent to said second stage harvesting apparatus,
    [11] 11. A two-stage harvesting system comprising: 0 an agricultural power unit; a first stage harvesting apparatus taking a first crop portion from an agricultural Crop leaving a second crop portion in a field, said first stage harvesting apparatus being powered by P2,12934US 8 said agricultural power unit; and a second stage harvesting apparatus taking said second crop portion, said first stage harvesting apparatus and said second stage harvesting apparatus being detachably connected to said agricultural power unit.
    [12] 12. The two-stage harvesting system of claim 11. wherein said first crop portion is generally leaves of the agricultural crop, said second crop portion being generally stems of the agricultural crop.
    [13] 13. The two-stage harvesting system of claim 12, wherein the two-stage harvesting system operates in a moving direction, said first stage harvesting apparatus being adjacent to said second stage harvesting apparatus relative to said moving direction, said agricultural power unit having a first side and a second side, said first stage harvesting apparatus being associated with said first side, said second stage harvesting apparatus being associated with said second side,
    [14] 14. The two-stage harvesting system of claim 12, wherein said first stage harvesting apparatus is operating in a first swath and said second stage harvesting apparatus operates in a second swath, the first swath and the second swath being adjacentsad agricultural power unit moving in said second swath.
    [15] 15. The two-stage harvestiog system of claim 14, wherein the two-stage harvesting system operates in a moving direction, said first stage harvesting apparatus being behind said P21293-US 9 second stage harvesting apparatus relative to said moving direction.
    [16] 16. The two-stage harvesting system of claim 15, further comprising one of an adjacent vehicle and a towed container wherein said first crop portion is directed thereto from said first stage harvesting apparatus,
    [17] 17. The two-stage harvesting system of claim 16, wherein said towed container is towed in the second swath,
    [18] 18. The two-stage harvesting system of claim 1. 1, wherein said second stage harvesting system removes said second crop portion in a cutting manner and places said second crop porlon in a windrow.
    [19] 19. The two-stage harvesting system of claim 18, wherein said first crop portion is removed from said second crop portion in a non-cutting manner.
    [20] 20. The two-stage harvesting system of claim 19, wherein said first stage harvesting apparatus is adjacent to said second stage harvesting apparatus, P21293-US 10
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    同族专利:
    公开号 | 公开日
    AU2013219222B2|2017-02-02|
    RU2013138549A|2015-02-27|
    BR102013021906A2|2017-03-07|
    EP2702859A1|2014-03-05|
    US20140059992A1|2014-03-06|
    EP2702859B1|2016-03-02|
    PL2702859T3|2016-09-30|
    RU2639897C2|2017-12-25|
    US9510509B2|2016-12-06|
    BR102013021906B1|2019-10-01|
    引用文献:
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    法律状态:
    2017-06-01| FGA| Letters patent sealed or granted (standard patent)|
    优先权:
    申请号 | 申请日 | 专利标题
    US13/601,415|US9510509B2|2012-08-31|2012-08-31|Two-stage harvesting system|
    US13/601,415||2012-08-31||
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